(function () {
 
    var self = function () {
        var scripts = document.getElementsByTagName('script');
        return scripts[scripts.length - 1];
    } ();
 
    var defaults = {
        lang: 'ja',
        num: 5,
        url: 'http://feeds.feedburner.com/blogspot/MKuf'
    };
 
    // actually you should stop proccess if url is invalid.
    var options = {};
    if (self.src.match(/url=([^&]+)/)) options.url = RegExp.$1;
    if (self.src.match(/num=([^&]+)/)) options.num = RegExp.$1;
    if (self.src.match(/lang=([^&]+)/)) options.lang = RegExp.$1;
 
    var outerHTML = self.parentNode.insertBefore(document.createElement('div'), self);
 
    function _initialize() {
        (function ($) {
            //options
            options = $.extend(defaults, options);
            //load your custom css
            loadCss('http://www.zenoplex.jp/css/bp.css');
 
            function parse(data) {
                if (data.responseStatus != 200) return;
                // structure the output
                var html = '<ul>';
                var feed = data.responseData.feed;
                var $entries = $(feed.entries);
                $entries.each(function (index) {
 
                    var li = '<li>';
                    var imgs = /(<img(.+?)>)/.exec(this.content);
                    var img = imgs[1].replace('>', 'width="120px" height="120px" >');
                    li += '<a href="' + this.link + '">' + img + '</a>' + '<br />';
                    li += '<a href="' + this.link + '">' + this.title + '</a>';
                    li += '</li>';
                    html += li;
 
                });
                html += '</ul>';
 
                $(outerHTML).addClass('bp').append(html);
            };
            $.getJSON('http://ajax.googleapis.com/ajax/services/feed/load?q=' + encodeURIComponent(options.url) + '&hl=' + options.lang + '&num=' + options.num + '&v=1.0' + '&callback=?', parse);
        })(jQuery);
    };
 
    function loadScript(url, callback) {
        var script = document.createElement("script");
        script.src = url;
        if (!callback) return;
        script.onload = callback;
        script.onreadystatechange = function () {
            if (/loaded|complete/.test(this.readyState)) {
                callback();
            };
        };
        document.getElementsByTagName("head")[0].appendChild(script);
    };
    function loadCss(url) {
 
        var links = document.getElementsByTagName("link");
        var len = links.length;
        for (var i = 0; i < len; i++) {
            if (links[i].href == url) return;
        }
 
        var link = document.createElement('link');
        link.rel = 'stylesheet';
        link.href = url;
 
        document.getElementsByTagName("head")[0].appendChild(link);
    };
    if (typeof jQuery == 'undefined') loadScript('http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js', _initialize);
    else _initialize();
})();

<script type="text/javascript" src="http://www.zenoplex.jp/tools/js/bp.js?url=[feedURL here]"></script>

<!-- <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script> -->
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js">
<script type="text/javascript">
    (function($){
        //code here
    })(jQuery);
</script>

$("input[name=single]").prompt("some prompt text");

$("input[type=text]").prompt({ 
                        text:"some placeholder text", 
                        color:"#FF0000"});

(function (jQuery) {
    jQuery.fn.extend({
        prompt: function (option) {
            var defaultText;
            if ((typeof option) == "string") defaultText = option;
            else if (option && option.text) defaultText = option.text;
            else return;
 
            var promptColor = (option && option.color) ? option.color : "#999999";
 
            var array = [];
            this.each(function () {
                var $input = jQuery(this);
                if (!$input.is(":input") || $input.attr("type") != "text") return;
 
                var normalColor = $input.css("color");
                var backgroundColor = $input.css("background-color");
 
                $input.focus(function () {
                    if (jQuery.trim($input.val()) == defaultText) {
                        $input.css({
                            color: normalColor
                        }).val("");
                    }
                }).blur(function () {
                    if (jQuery.trim($input.val()) == "") {
                        $input.css({
                            color: backgroundColor
                        }).val(defaultText).animate({
                            color: promptColor
                        });
                    }
                });
 
                var value = $j.trim($input.val());
                if (value == "" || value == defaultText) {
                    $input.css({
                        color: promptColor
                    }).val(defaultText);
                }
 
                array[array.length] = this;
            });
 
            return array;
        }
    });
})(jQuery);

<script type="text/javascript">
	var url = "http://chart.apis.google.com/chart?cht=qr&chs=100x100&chl=" + encodeURIComponent(window.location);
	document.write('<img src="' + url + '"/>');
</script>

var $j = jQuery.noConflict();
$j(function(){
    var phImage	= "placeholder.jpg"; //url to placeholder image while image loads.
    var altImage = "nophoto.jpg"; //alternative image to show if image fails loading.
        $j("div.some-class img") //selector
            .preload({
		placeholder:phImage,
		notFound:altImage,
		threshold:1
	    });
});

var $j = jQuery.noConflict();
$j(function(){
    var phImage	= "placeholder.jpg"; //url to placeholder image while image loads.
    var altImage = "nophoto.jpg"; //alternative image to show if image fails loading.
        $j("div.some-class img") //selector
            .preload({
                onComplete:function(data){
		    $j(data.original).fadeIn();  // this will make image to fadein after loading.
		},
		placeholder:phImage,
		notFound:altImage,
		threshold:1
	    });
});
$j('head').append('<style>div.some-class img{display:none;}</style>');